Home / 115,680.24-173,207.31-75,599.36

Finding the Fourth Proportional to 115,680.24, 173,207.31 and 75,599.36

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Solution

The fourth proportional to 115,680.24, 173,207.31 and 75,599.36 is: 113,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,680.24 : 173,207.31 = 75,599.36 : x
  2. Step 2: Convert to fraction form
    115,680.24/173,207.31 = 75,599.36/x
  3. Step 3: Cross multiply
    115,680.24x = 173,207.31 × 75,599.36
  4. Step 4: Simplify right side
    115,680.24x = 13,094,361,783.32
  5. Step 5: Solve for x
    x = 13,094,361,783.32/115,680.24
  6. Step 6: Final answer
    x = 113,194.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.